RANKING · 2010 CENSUS · 14 SHOWN OF 14

Fastest growing, Massachusetts counties · 2010

Massachusetts counties ranked by population growth from the 2000 census to 2010. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Dukes County, MAMA21,219+10.3%−64%

02Nantucket County, MAMA14,758+6.8%−88%

03Worcester County, MAMA888,502+6.3%+9%

04Plymouth County, MAMA546,829+4.7%−46%

05Suffolk County, MAMA791,891+4.7%+20%

06Hampshire County, MAMA164,065+3.8%−1%

07Norfolk County, MAMA739,749+3.2%−43%

08Essex County, MAMA826,653+2.7%−66%

09Middlesex County, MAMA1,669,979+2.6%−46%

10Bristol County, MAMA593,640+2.5%−55%

11Hampden County, MAMA464,338+1.6%−8958%

12Franklin County, MAMA70,698-0.2%−111%

13Berkshire County, MAMA128,224-2.8%−12%

14Barnstable County, MAMA233,539-2.9%−115%

SHOWING 1–14 OF 14

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS